Skype for Business Elevation of Privilege Vulnerability (Microsoft Skype for Business Server 2015 CU13)

CVE-2026-83746
HIGH 8.1

At a glance

Source
NVD
EPSS
EPSS 1.15 % · percentile 67 ()
State
PUBLISHED
Published
Updated
Assigner
microsoft
NVD status
Awaiting Analysis

Description

Absolute path traversal in Skype for Business and Microsoft Lync allows an authorized attacker to elevate privileges over a network.

Weaknesses (CWE)

  • CWE-36 — Absolute Path Traversal

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:Cmicrosoft
CVSS 3.1HIGH 8.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HNVD · secure@microsoft.com (Secondary)

European references

CERT-FR advisories

Affected products

ProductVersions
Microsoft · Skype for Business Server 2015 CU13affected 9319.0 < 6.0.9319.886
Microsoft · Skype for Business Server 2019 CU8affected 2046.0 < 7.0.2046.583
Microsoft · Skype for Business Server Subscription Edition CU1affected 2046.0 < 7.0.2046.889

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD